The business can be profitable, but the infrastructure for land-based aquaculture is expensive, and startup costs are high.
An environmental engineer, he invented a biological method to remove nitrogen and phosphorous from wastewater, an advance that transformed the industry worldwide.
Lithuania-based Refra has launched its Oasis series of water-to-water heat pumps and chillers, offering capacities from 34 kW to 600 kW for small to large commercial and industrial applications.
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